The days of sweaty feet for distance runners is over. We&';ve created a running sock with a wool outer layer that provides the ultimate in thermal performance and a soft, next-to-skin inner layer that wicks moisture outward. Built with DUAL SURFACE(TM) construction, the Run Sock features an Achilles protection pad to reduce friction against the heel, a flex panel for superior movement, and a seamless toe closure for ridge-free comfort. FEATURES: Firm cuff for comfort and staying power Mesh panels throughout reduce bulk, increase breathability, and control moisture Left and Right construction provides true anatomical fit Strategically placed cushioning provide protection and comfort Seamless toe closure for ridge-free comfort